Table 1.

Distribution of Framingham factors among patients with and without schizophrenia

	Schizophrenia				P value*
	No		Yes
	n	Column %	n	Column %
Age range (years)
40–44	28 574	14.80	700	14.30	–
45–49	29 137	15.10	753	15.40
50–54	30 939	16.10	784	16.10
55–59	31 790	16.50	832	17.00
60–64	27 061	14.10%	707	14.50
65–69	22 430	11.70%	588	12.00
70–75	22 496	11.70%	518	10.60
Sex
Female	106 841	55.50	2539	52.00	–
Male	85 586	44.50	2343	48.00
HDL level (mmol/L)
Missing	79 437	41.30	1842	37.70	<0.0001
0–0.89	8565	4.50	375	7.70
0.9–1.19	27 925	14.50	866	17.70
1.2–1.29	11 006	5.70	272	5.60
1.3–1.59	28 313	14.70	703	14.40
1.60+	37 181	19.30	824	16.90
Total cholesterol (mmol/L)
Missing	81 073	42.10	1916	39.20	<0.0001
0–4.09	25 388	13.20	865	17.70
4.1–5.19	39 801	20.70	1068	21.90
5.2–6.19	30 009	15.60	663	13.60
6.2–7.19	11 225	5.80	252	5.20
7.2+	4931	2.60	118	2.40
Systolic blood pressure (mm Hg)
Missing	62 934	32.70	1245	25.50	<0.0001
120 or less	42 293	22.00	1445	29.60
120–129	36 752	19.10	940	19.30
130–139	28 764	14.90	725	14.90
140–149	14 043	7.30	350	7.20
150–159	5752	3.00	124	2.50
160 or more	1889	1.00	53	1.10
Smoking status
Missing	40 109	20.80	968	19.80	0.0843
Non-smoker	125 796	65.40	2633	53.90
Smoker	26 522	13.80	1281	26.20
Type 2 diabetes mellitus
No	168 151	87.40	3953	81.00	–
Yes	24 276	12.60	929	19.00
Antihypertensive medication
No	140 415	73.00	3486	71.40	–
Yes	52 012	27.00	1396	28.60
Total	192 427	100.00	4882	100.00	–

*P values compare the proportion of missing data and non-missing data with respect to schizophrenia (using Χ² test with false discovery rate).

HDL, high-density lipoprotein.